1 files changed, 60 insertions, 0 deletions
diff --git a/examples/cxx/tree/polymorphism/driver.cxx b/examples/cxx/tree/polymorphism/driver.cxx
new file mode 100644
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+++ b/examples/cxx/tree/polymorphism/driver.cxx
@@ -0,0 +1,60 @@
+// file      : examples/cxx/tree/polymorphism/driver.cxx
+// author    : Boris Kolpackov <boris@codesynthesis.com>
+// copyright : not copyrighted - public domain
+
+#include <memory>   // std::auto_ptr
+#include <iostream>
+
+#include "supermen.hxx"
+
+using std::cerr;
+using std::endl;
+using std::auto_ptr;
+
+int
+main (int argc, char* argv[])
+{
+  if (argc != 2)
+  {
+    cerr << "usage: " << argv[0] << " supermen.xml" << endl;
+    return 1;
+  }
+
+  try
+  {
+    auto_ptr<supermen> sm (supermen_ (argv[1]));
+
+    supermen copy (*sm); // Dynamic types are preserved in copies.
+
+    // Print what we've got.
+    //
+    for (supermen::person_const_iterator i (copy.person ().begin ());
+         i != copy.person ().end ();
+         ++i)
+    {
+      cerr << i->name ();
+
+      if (const superman* s = dynamic_cast<const superman*> (&*i))
+      {
+        if (s->can_fly ())
+          cerr << ", flying superman";
+        else
+          cerr << ", superman";
+      }
+
+      cerr << endl;
+    }
+
+    // Serialize back to XML.
+    //
+    xml_schema::namespace_infomap map;
+    map[""].schema = "supermen.xsd";
+
+    supermen_ (std::cout, copy, map);
+  }
+  catch (const xml_schema::exception& e)
+  {
+    cerr << e << endl;
+    return 1;
+  }
+}